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Enter each course name (e.g., Organic Chemistry I).
Choose your letter grade or numerical range from the dropdown list.
Note: This will automatically change depending on the grading scale used by your institution.
Enter the corresponding course weight (credits) as listed on your transcript.
Click Add Course to include additional classes.
When finished, click Calculate GPA to view your OMSAS GPA based on the OMSAS 4.0 conversion scale.
You can also Download CSV or Download PDF to save your results.
Use the “×” button to remove a course.
Click Clear All to reset the table and start over.
| Course Name | Grade | Weight (Credits) | Remove |
|---|
OMSAS doesn’t use your university’s raw grades directly — every course is converted to a standardized 4.0 scale using the OMSAS Undergraduate Grade Conversion Table. The exact cutoffs vary slightly depending on which of the nine OUAC conversion scales your school uses, but most Ontario universities fall under the percentage-based scale below.
| Percentage | Approx. Letter Grade | OMSAS GPA (4.0 scale) |
|---|---|---|
| 90–100 | A+ | 4.00 |
| 85–89 | A | 3.90 |
| 80–84 | A− | 3.70 |
| 77–79 | B+ | 3.30 |
| 73–76 | B | 3.00 |
| 70–72 | B− | 2.70 |
| 67–69 | C+ | 2.30 |
| 63–66 | C | 2.00 |
| 60–62 | C− | 1.70 |
| 57–59 | D+ | 1.30 |
| 53–56 | D | 1.00 |
| 50–52 | D− | 0.70 |
| 49 and below | F | 0.00 |
Note: OMSAS maps each university to one of nine official conversion scales, so exact percentage cutoffs can differ slightly by school. Use this table as a general guide, and check the official OUAC Undergraduate Grade Conversion Table for your specific institution before finalizing your application.
Your OMSAS cumulative GPA isn’t a simple average of your converted grades — it’s weighted by course length:
– Full-year course = weight of 2
– One-semester course = weight of 1
– Three-quarter course = weight of 1.5
– Lab-only course = weight of 0.5
The formula OMSAS uses is:
Cumulative GPA = (Σ course weight × converted grade) ÷ (Σ course weights)
In plain terms: multiply each course’s converted grade by its weight, add those all together, then divide by the total of all the weights — not by the number of courses.
OMSAS calculates your GPA using every university-level undergraduate credit course you’ve taken at a Canadian or American university — including courses beyond your degree requirements. This includes:
– Repeated courses (both your original and repeat grades)
– Failed courses
– Incomplete and supplemental courses
The following do NOT count toward your OMSAS GPA:
– Graduate-level courses, or undergraduate courses taken as part of a graduate program
– College-level courses, even if you received transfer credit for them
– Courses graded Pass/Credit (though Fail grades still count)
– Challenge-for-credit courses
– Continuing education courses
– Professional program courses (e.g., naturopathic medicine, chiropractic medicine, Doctor of Medicine)
– Consecutive Bachelor of Education degrees
– AP and IB credits
– International transcripts (these are assessed separately and are non-convertible)
Because course length varies, OMSAS doesn’t treat every course equally when calculating your cumulative average. A full-year course carries twice the weight of a one-semester course, and lab components are weighted lightly on their own. See the formula above for exactly how these weights combine — this is also why simply averaging your semester or yearly GPAs together produces a different (and less accurate) number than OMSAS’s actual calculation.
This trips up a lot of applicants: if you repeated a course, OMSAS includes BOTH your original grade and your repeat grade in your cumulative GPA — it does not drop or replace the first attempt, even if your home university’s own GPA recalculation policy does. The same applies to failed courses: an F stays in your OMSAS GPA calculation permanently, even after you’ve successfully retaken and passed the course. Applicants who assume a strong repeat grade “erases” a bad one are often surprised by their calculated OMSAS GPA.
1. Averaging yearly GPAs instead of using the weighted formula. If your course load or mix of full-year/semester courses changed year to year, averaging your yearly GPAs together will not match OMSAS’s actual weighted calculation.
2. Assuming a repeated course replaces the original grade. OMSAS counts both attempts — see above.
3. Including courses that don’t actually count. Pass/Credit courses, AP/IB credits, and college-level courses (even with transfer credit) are excluded, but applicants often include them by mistake.
4. Using the wrong grade conversion scale. Your university maps to one specific OUAC conversion scale — using a generic percentage-to-4.0 chart instead of your school’s actual scale can throw off your number.
5. Forgetting to include courses outside your major or degree requirements. OMSAS counts every eligible undergraduate course you’ve taken, not just the ones required for your program.
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